根据Swoole文档,直接install
pecl install swoole
但是报错,需要root权限。
sudo su pecl install swoole
但是提了一个warning
WARNING: channel "pecl.php.net" has updated its protocols, use "pecl channel-update pecl.php.net" to update
于是,直接顺手update一下吧
pecl channel-update pecl.php.net
查找下php.ini的位置
php -i |grep php.ini
然后在php.ini中增加
extension=swoole.so
重启下php
systemctl restart php
查看下是否已经成功加载了swoole
php -m | grep swoole
Ps:到此swoole扩展就安装完成了,因为我的代码运行成功,所以后面的步骤我就没走下去了,就留给童鞋们自己试咯~
新建一个文件,我命名为SwooleServer.php文件
代码如下:
<?php //创建websocket服务器对象,监听0.0.0.0:9502端口 $ws = new swoole_websocket_server("0.0.0.0", 9502); //监听WebSocket连接打开事件 $ws->on('open', function ($ws, $request) { var_dump($request->fd, $request->get, $request->server); $ws->push($request->fd, "hello, welcome\n"); }); //监听WebSocket消息事件 $ws->on('message', function ($ws, $frame) { echo "Message: {$frame->data}\n"; $ws->push($frame->fd, "server: {$frame->data}"); }); //监听WebSocket连接关闭事件 $ws->on('close', function ($ws, $fd) { echo "client-{$fd} is closed\n"; }); $ws->start(); ?>
然后创建一个html文件,用于模拟访问的Client:
<!DOCTYPE html> <meta charset="utf-8" /> <title>WebSocket Test</title> <script language="javascript"type="text/javascript"> var wsServer = 'ws://192.168.10.10:9502'; var websocket = new WebSocket(wsServer); websocket.onopen = function (evt) { console.log("Connected to WebSocket server."); }; websocket.onclose = function (evt) { console.log("Disconnected"); }; websocket.onmessage = function (evt) { console.log('Retrieved data from server: ' + evt.data); }; websocket.onerror = function (evt, e) { console.log('Error occured: ' + evt.data); }; </script> </html>
启动服务:
php SwooleServer.php
访问该Html,在控制台中可以看到
Connected to WebSocket server. Retrieved data from server: hello, welcome
没有难的技术,当你弄清它的原理时,你会发现原来如此简单~ 欢迎加群【536501561】讨论